1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 #ifndef __LINUX_GEN_STATS_H 3 #define __LINUX_GEN_STATS_H 4 5 #include <linux/types.h> 6 7 enum { 8 TCA_STATS_UNSPEC, 9 TCA_STATS_BASIC, 10 TCA_STATS_RATE_EST, 11 TCA_STATS_QUEUE, 12 TCA_STATS_APP, 13 TCA_STATS_RATE_EST64, 14 TCA_STATS_PAD, 15 __TCA_STATS_MAX, 16 }; 17 #define TCA_STATS_MAX (__TCA_STATS_MAX - 1) 18 19 /** 20 * struct gnet_stats_basic - byte/packet throughput statistics 21 * @bytes: number of seen bytes 22 * @packets: number of seen packets 23 */ 24 struct gnet_stats_basic { 25 __u64 bytes; 26 __u32 packets; 27 }; 28 struct gnet_stats_basic_packed { 29 __u64 bytes; 30 __u32 packets; 31 } __attribute__ ((packed)); 32 33 /** 34 * struct gnet_stats_rate_est - rate estimator 35 * @bps: current byte rate 36 * @pps: current packet rate 37 */ 38 struct gnet_stats_rate_est { 39 __u32 bps; 40 __u32 pps; 41 }; 42 43 /** 44 * struct gnet_stats_rate_est64 - rate estimator 45 * @bps: current byte rate 46 * @pps: current packet rate 47 */ 48 struct gnet_stats_rate_est64 { 49 __u64 bps; 50 __u64 pps; 51 }; 52 53 /** 54 * struct gnet_stats_queue - queuing statistics 55 * @qlen: queue length 56 * @backlog: backlog size of queue 57 * @drops: number of dropped packets 58 * @requeues: number of requeues 59 * @overlimits: number of enqueues over the limit 60 */ 61 struct gnet_stats_queue { 62 __u32 qlen; 63 __u32 backlog; 64 __u32 drops; 65 __u32 requeues; 66 __u32 overlimits; 67 }; 68 69 /** 70 * struct gnet_estimator - rate estimator configuration 71 * @interval: sampling period 72 * @ewma_log: the log of measurement window weight 73 */ 74 struct gnet_estimator { 75 signed char interval; 76 unsigned char ewma_log; 77 }; 78 79 80 #endif /* __LINUX_GEN_STATS_H */ 81